<?php

if (!defined('BASEPATH'))
    exit('No direct script access allowed');

class MY_Form_validation extends CI_Form_validation {

    /**
     * This validation requires the user module to be installed
     * @param  string $str the username
     * @return bool
     */
    function user_check($str){
        return !user_service_l_user::user_exists($str);
    }

}
?>